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单词 sialic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
si•al  (sīal),USA pronunciation n. [Geol.]
  1. Geologythe assemblage of rocks, rich in silica and alumina, that comprise the continental portions of the upper layer of the earth's crust. Cf. sima 1.
  • German, equivalent. to Si(licium) silicium + Al(uminium) aluminum
  • 1920–25
si•alic, adj. 

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